We can save water by fixing the dripping tap. (对划线部分提问)
________ ________ we save water?
People don't know much about the life in deep seas, ________ ________? (补全反意疑问句)
The ship sank in the ocean at last. (改成否定句)
The ship ________ ________ in the ocean at last.
Children should __________ their rooms by themselves.
—Shall we go to Shanghai Haichang Ocean Park this summer holiday?
—________
A.Good idea. B.That's right. C.Good luck. D.Have fun.
—________ does it take to travel from Shanghai to Beijing by plane?
—About two hours.
A.How far B.How much C.How long D.How often
